example code of fluentd and efk

Demo-Spring-Fluentd/README.md

@@ -0,0 +1,16 @@
+# Read Me First
+
+1. Setup elasticsearch-fluentd-kibana environment: 
+- `cd efk`
+- `docker-compose up`
+
+2. Run sping-boot example code, at project folder
+- `mvn spring-boot:run`
+
+3. Open browser and access to `http://localhost:8080/test/fluentd-log`
+
+4. Open kibana: `http://localhost:5602`
+- switch to "Discover"
+- then setup index to browser
+
+Try and update TestController to 

Demo-Spring-Fluentd/efk/Dockerfile

@@ -0,0 +1,7 @@
+# fluentd/Dockerfile
+FROM fluent/fluentd:v1.11-1
+USER root
+RUN ["gem", "install", "fluent-plugin-elasticsearch", "--no-document", "--version", "4.1.2"]
+RUN ["gem", "install", "fluent-plugin-rewrite-tag-filter"]
+RUN ["gem", "install", "fluent-plugin-record-modifier", "--no-document"]
+USER fluent

Demo-Spring-Fluentd/efk/conf/fluent.conf

@@ -0,0 +1,25 @@
+<source>
+    @type forward
+    port 20001
+    bind 0.0.0.0
+    add_tag_prefix forward
+</source>
+
+<match forward.**>
+    @type copy
+    <store>
+        @type elasticsearch
+        host elasticsearch
+        port 9200
+        logstash_format true
+        logstash_prefix fluentd
+        logstash_dateformat %Y%m%d
+        include_tag_key true
+        type_name web_log
+        tag_key @log_name
+        flush_interval 1s
+    </store>
+    <store>
+        @type stdout
+    </store>
+</match>

Demo-Spring-Fluentd/efk/docker-compose.yml

@@ -0,0 +1,24 @@
+version: '3'
+services:
+  fluentd:
+    build: .
+    volumes:
+      - ./conf:/fluentd/etc
+    links:
+      - "elasticsearch"
+    ports:
+      - "20001:20001"
+
+  elasticsearch:
+    image: docker.elastic.co/elasticsearch/elasticsearch-oss:7.9.1
+    environment:
+      - "discovery.type=single-node"
+    expose:
+      - "9200"
+
+  kibana:
+    image: docker.elastic.co/kibana/kibana-oss:7.9.1
+    links:
+      - "elasticsearch"
+    ports:
+      - "5602:5601"